From fca678b8744a925aeb186dca9b4696abc1aac50e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Tj=C3=A4der?= <henrik@tjaders.com>
Date: Mon, 20 Apr 2020 13:18:43 +0000
Subject: [PATCH] Use buildrs for conditional compilation

---
 Cargo.toml   | 3 +++
 build.rs     | 5 +++++
 ci/script.sh | 8 ++++++++
 3 files changed, 16 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index 01b3ede30b..603129a2fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,6 +53,9 @@ rtfm-core = "0.3.0"
 cortex-m-rt = "0.6.9"
 heapless = "0.5.0"
 
+[build-dependencies]
+version_check = "0.9"
+
 [dependencies.microamp]
 optional = true
 version = "0.1.0-alpha.2"
diff --git a/build.rs b/build.rs
index 14c3d248ac..fee1a6a5a6 100644
--- a/build.rs
+++ b/build.rs
@@ -1,8 +1,13 @@
 use std::env;
+use version_check;
 
 fn main() {
     let target = env::var("TARGET").unwrap();
 
+    if version_check::Channel::read().unwrap().is_nightly() {
+        println!("cargo:rustc-cfg=rustc_is_nightly")
+    }
+
     if target.starts_with("thumbv6m") {
         println!("cargo:rustc-cfg=armv6m")
     }
diff --git a/ci/script.sh b/ci/script.sh
index 78341e1bba..5196db74ce 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -44,6 +44,14 @@ main() {
         fi
 
         if [ $TRAVIS_RUST_VERSION = nightly ]; then
+            # Tests where required MSRV > 1.36
+            local exs=(
+                t-cfg-resources
+            )
+            for ex in ${exs[@]}; do
+                cargo check --example $ex --target $T
+            done
+
             # multi-core compile-pass tests
             pushd heterogeneous
             local exs=(